U.S. Strategic Bombing Survey (USSBS) Report 90, Incendiary Attacks on Japan, documenting the 9 March 1945 Tokyo firestorm and other incendiary attacks in detail. Unpublished and initially classified Restricted distribution. Photos in this report for Tokyo (pages 71-123) hould be compared to the declassified originally Secret USSBS Report 92, Effects of the Atomic Bomb on Hiroshima, Japan. The effects are very similar.
See also: The effects of the atomic bomb on Hiroshima, Japan (the secret U.S. Strategic Bombing Survey report 92, Pacific Theatre) located at: http://archive.org/details/TheEffectsOfTheAtomicBombOnHiroshima